CN219251747U

CN219251747U - Novel sedimentation tank

Info

Publication number: CN219251747U
Application number: CN202320900690.0U
Authority: CN
Inventors: 程啸林; 谌戡; 杨帅; 赵宇洪; 李聪; 周启初
Original assignee: Sichuan Jiesen Electromechanical Co ltd
Current assignee: Sichuan Jiesen Electromechanical Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-06-27
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses a novel sedimentation tank, which aims to solve the problems that the sewage in the sedimentation tank generates gas due to anaerobic digestion in the existing inclined plate sedimentation tank or inclined tube sedimentation tank, the generated gas can not only interfere sludge sedimentation, but also drive sludge to float to the water surface of a clean water area to form a floating mud layer, and the condition can greatly influence the water quality of effluent, and the novel sedimentation tank comprises a tank body, a water inlet, a mud discharging component, a sedimentation component, a water outlet tank, a triangular weir plate matched with the water outlet tank, a water outlet, a slag baffle and a slag scraping component, wherein the water inlet is arranged on the tank body. The utility model can effectively solve the problems that the water surface of the clear water area of the existing inclined plate sedimentation tank or inclined tube sedimentation tank has a floating mud layer and the water quality of the discharged water is influenced. By adopting the method, the floating mud layer on the surface of the sedimentation tank can be effectively removed, water production is not affected, the water outlet effect of the sedimentation tank is stable, and the method has important significance for guaranteeing the stable, reliable and long-time continuous operation of the sedimentation tank.

Description

Novel sedimentation tank

Technical Field

The utility model relates to the field of sewage treatment, in particular to the field of integrated sewage treatment equipment, and specifically relates to a novel sedimentation tank. More specifically, to current pipe chute sedimentation tank or inclined plate sedimentation tank have the problem of clear water district surface of water float mud layer, the application provides an improvement formula inclined plate or pipe chute sedimentation tank, and it can realize the clearance on clear water district surface of water float mud layer, guarantees the stability of sedimentation tank play water effect, promotes treatment effeciency.

Background

Since this century, along with the acceleration of the urban and industrialized processes in China, the demand gap of water resources is also increasing. Under this background, the development of integrated sewage (tap water) treatment equipment is faster and faster, and the status is also becoming higher and higher. The rural sewage has the characteristics of wide source range and high dispersibility, and the integrated equipment plays an important role in rural sewage treatment.

Sedimentation tanks are structures that use sedimentation to remove suspended matter in water. The sedimentation tank has various types and can be divided into three types of horizontal flow type, vertical flow type and radial flow type according to the water flow direction in the tank. Because the integrated equipment has the characteristics of small occupied area, convenient use and convenient transportation, most of the integrated equipment adopts an inclined plate or an inclined tube sedimentation tank to carry out sedimentation treatment on sewage. The inclined tube sedimentation tank is provided with the inclined tube in the tank (the inclined plate sedimentation tank is provided with the inclined plate in the tank), so that the sedimentation efficiency can be greatly improved, the sedimentation time can be shortened, and the volume of the sedimentation tank can be reduced.

The inventor finds that mud is easy to be accumulated between the inclined plates of the inclined plate sedimentation tank or between the inclined pipes of the inclined pipe sedimentation tank after the inclined plate sedimentation tank runs for a period of time or when the water quality and the water quantity change. Meanwhile, the sewage in the sedimentation tank generates gas due to anaerobic digestion, and the generated gas not only can interfere with sludge sedimentation, but also can drive the sludge to float up to the water surface of the clear water area, and a floating mud layer is formed. This condition can affect the sludge discharge of the sedimentation tank, and the quality of the effluent water can be greatly affected. The manual cleaning of the floating mud layer on the surface of the inclined plate sedimentation tank or the inclined tube sedimentation tank is time-consuming and labor-consuming, the effect is not obvious, and the quality of the discharged water is difficult to ensure.

For this reason, a new apparatus is urgently needed to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims at: to current swash plate sedimentation tank or pipe chute sedimentation tank, sewage in the sedimentation tank produces gas because of anaerobic digestion, and the gas of production can not only disturb the mud sediment, can drive mud come-up to clear water district surface of water even to form the float mud layer, this kind of condition can make the play water quality receive the problem of very big influence, provides a novel sedimentation tank. The utility model can effectively solve the problems that the water surface of the clear water area of the existing inclined plate sedimentation tank or inclined tube sedimentation tank has a floating mud layer and the water quality of the discharged water is influenced. By adopting the method, the floating mud layer on the surface of the sedimentation tank can be effectively removed, water production is not affected, the water outlet effect of the sedimentation tank is stable, and the method has important significance for guaranteeing the stable, reliable and long-time continuous operation of the sedimentation tank. The integrated sewage treatment device can be used in integrated sewage treatment equipment, and the corresponding integrated sewage treatment equipment can meet the requirements of the first-level A emission standard of pollutant emission standards of urban sewage treatment plants (GB 18918-2002).

In order to achieve the above purpose, the present application adopts the following technical scheme:

a novel sedimentation tank comprises a tank body, a water inlet, a sludge discharge assembly, a sedimentation assembly, a water outlet tank, a triangular weir plate matched with the water outlet tank, a water outlet, a slag baffle and a slag scraping assembly;

the water inlet is arranged on the tank body, sewage can enter the tank body through the water inlet, the sludge discharge assembly is arranged at the bottom of the tank body, precipitated sludge in the tank body can be discharged through the sludge discharge assembly, and a water distribution area matched with the water inlet is formed above the sludge discharge assembly;

the sedimentation component is arranged in the tank body, the sedimentation component is positioned above the mud discharging component, a sedimentation area is formed among the lower end surface of the sedimentation component, the water distribution area and the inner wall of the tank body, and a clear water area is formed between the upper end surface of the sedimentation component and the inner wall of the tank body;

the water outlet tank is connected with the Chi Tixiang, the tank body can provide support for the water outlet tank, the triangular weir plate is arranged on an opening at the upper end of the tank body, water flow in the clear water area can flow into the water outlet tank through the triangular weir plate, the water outlet is arranged on the water outlet tank, and water flow in the water outlet tank can flow out through the water outlet;

the slag baffle is connected with Chi Tixiang, the tank body can provide support for the slag baffle, and the triangular weir plate is positioned between the slag baffle and the water outlet tank; the upper end of the slag baffle is positioned above the water surface of the clear water zone, the slag baffle can prevent floating mud on the surface of the clear water zone from entering the water outlet tank through the triangular weir plate, the lower end of the slag baffle is positioned below the water surface of the clear water zone, and water flow in the clear water zone can sequentially enter the water outlet tank through the lower end of the slag baffle and the triangular weir plate;

the slag scraping assembly comprises a guide rail, a moving device, a mud scraping plate and a slag skimming pipe, wherein the guide rail is connected with Chi Tixiang, the tank body can provide support for the guide rail, and the guide rails are arranged in a group and are mutually parallel; the moving device is arranged on the guide rail and can reciprocate along the axial direction of the guide rail, and the mud scraping plate is connected with the moving device and can drive the mud scraping plate to synchronously move; the skimming tube is connected with Chi Tixiang, the tank body can provide support for the skimming tube, the skimming tube is arranged in the movement direction of the scraper, a floating mud outlet is arranged on the side wall of the skimming tube, the floating mud outlet is positioned above the water surface of the clear water area, and the scraper can convey floating mud on the surface of the clear water area to the floating mud outlet of the skimming tube and discharge the floating mud through the skimming tube.

Still include the telescopic link, mobile device links to each other and can adjust the relative position of the fender and clear water district surface of water along the height of vertical direction in order to adjust the fender through the telescopic link with the fender.

The slag baffle is arranged in parallel with the water outlet groove.

The slag trap is rectangular, the distance between the upper end face of the slag trap and the water surface of the clear water area is 2-30 cm, and the distance between the lower end face of the slag trap and the water surface of the clear water area is 2-30 cm.

The axial direction of the skimming tube is inclined relative to the horizontal plane, and the floating mud in the skimming tube can be discharged through the skimming tube under the action of gravity.

The mud scraping plate is made of rubber materials.

The sludge discharge assembly comprises a sludge hopper and a sludge discharge perforated pipe matched with the sludge hopper, wherein the sludge hopper is a plurality of sludge hoppers and sequentially arranged at the bottom of the tank body, and the sludge discharge perforated pipe is axially arranged along the sludge hopper.

The sludge discharge assembly and the skimming pipe are respectively connected with the sludge collection device, and sludge in the sludge discharge assembly and floating sludge in the skimming pipe can enter the sludge collection device to be collected.

The sedimentation component is a pipe chute sedimentation component or an inclined plate sedimentation component.

To the aforesaid problem, this application provides a novel sedimentation tank, and it includes cell body, water inlet, mud subassembly, sedimentation subassembly, play basin, triangle weir plate, delivery port, slag trap, scrapes sediment subassembly. The sedimentation tank has the advantages of enhanced impact load resistance, convenient operation and management, simple operation, easy overhaul and maintenance, and is particularly suitable for integrated sewage treatment equipment, and has higher application value.

The principle of operation of the system will now be further described. As shown in the figure, the water inlet is arranged on the tank body, the mud discharging assembly is arranged at the bottom of the tank body, and a water distribution area matched with the water inlet is formed above the mud discharging assembly. The sedimentation component is arranged in the tank body, the sedimentation component is positioned above the sludge discharge component, a sedimentation area is formed among the lower end surface of the sedimentation component, the water distribution area and the inner wall of the tank body, and a clear water area is formed between the upper end surface of the sedimentation component and the inner wall of the tank body. The water outlet tank is connected with Chi Tixiang, and the tank body can provide support for the water outlet tank; the triangular weir plate is arranged on an opening at the upper end of the clear water zone of the tank body, and the water outlet is arranged on the water outlet tank.

The slag baffle is connected with Chi Tixiang, the tank body can provide support for the slag baffle, and the triangular weir plate is positioned between the slag baffle and the water outlet tank; the upper end of the slag baffle is positioned above the water surface of the clear water area, and the lower end of the slag baffle is positioned below the water surface of the clear water area. By adopting the structure, water flow in the clear water zone can sequentially enter the water outlet tank through the lower end of the slag baffle and the triangular weir plate, and the slag baffle can prevent floating mud on the surface of the clear water zone from entering the water outlet tank through the triangular weir plate.

The slag scraping assembly comprises a guide rail, a moving device, a scraping plate and a skimming tube, wherein the guide rail is connected with Chi Tixiang, and the tank body can provide support for the guide rail. Meanwhile, the guide rails are a group, and the guide rails are mutually parallel. The moving device is arranged on the guide rail, and can reciprocate along the axial direction of the guide rail, and the mud scraping plate is connected with the moving device. The skimming tube is connected with Chi Tixiang, and the skimming tube is arranged in the movement direction of the scraper, and a floating mud outlet is arranged on the side wall of the skimming tube and is positioned above the water surface of the clear water area. In the application, the sedimentation component is a pipe chute sedimentation component or a sloping plate sedimentation component, and both types can be used.

When the sedimentation tank works, sewage enters the tank body through the water inlet; sewage flows in the tank body from bottom to top, sludge is separated from water under the action of the sedimentation component, and the sludge is downwards sedimented and finally discharged through the sludge discharge component; the water precipitated by the precipitation component flows upwards and enters a clear water zone; the water in the clear water area flows into the water outlet tank through the triangular weir plate and flows out through the water outlet; meanwhile, the slag baffle can prevent the floating mud on the surface of the clear water area from entering the water outlet tank through the triangular weir plate; the skimming tube is a discharge channel of the floating mud, and the tank body can provide support for the skimming tube; the moving device can reciprocate along the axial direction of the guide rail, and the moving device can drive the mud scraping plate to synchronously move in the moving process; in the reciprocating movement process of the mud scraping plate, the mud scraping plate can convey the floating mud on the surface of the clear water area to a mud floating outlet of the skimming tube, and finally the floating mud is discharged through the skimming tube.

Further, the device also comprises a telescopic rod, and the moving device is connected with the mud scraping plate through the telescopic rod; by adopting the structure, the height of the mud scraping plate along the vertical direction can be adjusted through the telescopic rod, so that the treatment requirements of floating mud with different heights on the water surface in the clear water area are met.

Further, the slag baffle is arranged in parallel with the water outlet groove; the slag baffle is rectangular, the distance between the upper end face of the slag baffle and the water surface of the clear water area is 2-30 cm, and the distance between the lower end face of the slag baffle and the water surface of the clear water area is 2-30 cm. By adopting the structure, the two ends of the slag baffle are connected with Chi Tixiang, and the upper and lower ends are respectively positioned above the water surface and under the water, so that the floating mud can be effectively prevented from entering the water outlet tank.

Further, the axial direction of the skimming tube is inclined relative to the horizontal plane. By adopting the structure, the lowest floating mud outlet on the skimming tube is positioned above the water surface of the clear water zone, and the floating mud in the skimming tube can be downwards output along the skimming tube under the action of gravity, so that the output efficiency is improved.

Further, the mud scraping plate is made of rubber materials. The sludge discharge assembly comprises a sludge hopper and a sludge discharge perforated pipe matched with the sludge hopper. The sludge hoppers are arranged at the bottom of the tank body in sequence, and the sludge discharge perforated pipes are arranged along the axial direction of the sludge hoppers. Preferably, the device also comprises a sludge collecting device, and the sludge discharging assembly and the skimming tube are respectively connected with the sludge collecting device. By adopting the device, sludge is deposited in the sludge hopper and is discharged through the sludge discharge perforated pipe; the sludge in the sludge discharge assembly and the floating sludge in the skimming tube enter the sludge collecting device through the pipeline to be collected.

To sum up, the sedimentation tank of this application adopts and scrapes mud board, skimming pipe and slag trap matched with mode, handles the float mud simply effectively, can realize the automatic clearance of float mud. The cleaning effect of this application is showing, has effectively reduced workman's clearance sedimentation tank's intensity of labour to do not influence and produce water, can effectively stabilize out water quality, have better effect.

Drawings

Fig. 1 is a front view of an improved sedimentation tank of the present application.

Fig. 2 is a side view of the improved sedimentation tank of fig. 1.

FIG. 3 is a schematic diagram of skimming tube opening.

The marks in the figure: 1. the device comprises a water inlet, a sedimentation area, a sludge bucket, a sedimentation assembly, a clear water area, a sludge scraping plate, a telescopic rod, a moving device, a guide rail, a slag blocking plate, a triangular weir plate, a skimming tube, a water outlet, a water tank, a water outlet, a sludge discharge perforated tube and a sludge discharge perforated tube.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in the figure, the embodiment provides a novel sedimentation tank, which comprises a tank body, a water inlet, a sludge discharge assembly, a sedimentation assembly, a water outlet tank, a triangular weir plate matched with the water outlet tank, a water outlet, a slag baffle and a slag scraping assembly.

Wherein, the water inlet sets up on the cell body, and the mud subassembly sets up in cell body bottom, and mud subassembly top forms the water distribution district with water inlet matched with. Meanwhile, the sedimentation component is arranged in the tank body and is positioned above the mud discharging component; a sedimentation area is formed among the lower end face of the sedimentation component, the water distribution area and the inner wall of the tank body, and a clear water area is formed between the upper end face of the sedimentation component and the inner wall of the tank body. In this embodiment, the sedimentation assembly is a tube sedimentation assembly or a slant plate sedimentation assembly. Further, the sludge discharging assembly comprises a sludge hopper and a sludge discharging perforated pipe matched with the sludge hopper. The sludge hoppers are arranged in a plurality, and are sequentially arranged at the bottom of the tank body, and the sludge discharge perforated pipes are axially arranged along the sludge hoppers. In one specific example, the sludge hopper in the sedimentation tank is a conical hopper, the bottom end of the sludge hopper is provided with a sludge discharge perforated pipe, and a manual sludge discharge valve and an electric sludge discharge valve are arranged outside the sludge discharge perforated pipe. Wherein, the manual valve is normally open, and the electric valve is automatically controlled to discharge mud; when the valve is overhauled, the manual valve is closed.

The water outlet tank and the slag baffle are respectively connected with Chi Tixiang, and the tank body can respectively provide support for the water outlet tank and the slag baffle. The triangular weir plate is arranged on an opening at the upper end of the tank body, and water flow in the clear water area can flow into the water outlet tank through the triangular weir plate; the water outlet is arranged on the water outlet tank, and water in the water outlet tank can flow out through the water outlet. In a specific example, a triangular weir plate is arranged at the water outlet edge of the clear water area, so that the water outlet is uniform; the triangular weir plate is fixed on the pool wall through screws. A slag baffle is arranged at a certain distance from the triangular weir plate, and two sides of the slag baffle are welded on the pool body.

The triangular weir plate is positioned between the slag baffle and the water outlet groove. The upper end of the slag baffle is positioned above the water surface of the clear water area, and the slag baffle can prevent the floating mud on the surface of the clear water area from entering the water outlet groove through the triangular weir plate; the lower end of the slag baffle is positioned below the water surface of the clear water area, and water flow in the clear water area can sequentially enter the water outlet groove through the lower end of the slag baffle and the triangular weir plate.

In the embodiment, the slag scraping assembly comprises a guide rail, a moving device, a scraping plate and a skimming tube, wherein the guide rail is connected with Chi Tixiang, the tank body can provide support for the guide rail, and the guide rails are arranged in a group and are mutually parallel; the moving device is arranged on the guide rail and can reciprocate along the axial direction of the guide rail, the mud scraping plate is connected with the moving device, and the moving device can drive the mud scraping plate to synchronously move; the skimming tube is connected with Chi Tixiang, the tank body can provide support for the skimming tube, the skimming tube is arranged in the movement direction of the scraper, a floating mud outlet is arranged on the side wall of the skimming tube, the floating mud outlet is positioned above the water surface of the clear water area, and the scraper can convey floating mud on the surface of the clear water area to the floating mud outlet of the skimming tube and discharge the floating mud through the skimming tube. In one embodiment, the side wall of the skimming tube is provided with a plurality of openings, the skimming tube is obliquely arranged, the opening is kept slightly higher than the liquid level, and the opening at the position of the tail end close to the slag baffle is leveled with the liquid level or slightly higher than the liquid level. When the mud hung on the mud scraping plate touches the pipe wall of the skimming pipe, the mud is upwards deflected and enters the skimming pipe, so that the mud is effectively collected. The skimming pipe is communicated with the sludge collecting device, and the collected floating sludge can be discharged through the gravity effect.

Still include the telescopic link, mobile device links to each other and can adjust the height of scraper along vertical direction through the telescopic link with the scraper to adjust the relative position of scraper and clear water district surface of water.

Preferably, the slag baffle is arranged in parallel with the water outlet groove; the slag baffle is rectangular, the distance between the upper end face of the slag baffle and the water surface of the clear water area is 2-30 cm, and the distance between the lower end face of the slag baffle and the water surface of the clear water area is 2-30 cm. Further, the axial direction of the skimming tube is inclined relative to the horizontal plane, and the floating mud in the skimming tube can be discharged through the skimming tube under the action of gravity. By adopting the mode, after the floating mud enters the skimming tube, the floating mud can be prevented from being retained in the skimming tube, and under the action of gravity, the floating mud can be discharged through the skimming tube under the action of gravity.

Preferably, the scraper is made of rubber material. Further, the sludge collecting device is further included, the sludge discharging assembly and the skimming tube are respectively connected with the sludge collecting device, and the sludge in the sludge discharging assembly and the floating sludge in the skimming tube can enter the sludge collecting device to be collected. In this application, collect mud through mud collection device, follow-up can send into drying device etc. and handle.

When the sedimentation tank works, sewage enters a water distribution area through a water inlet on the tank body; in the tank body, sewage flows from bottom to top, and sequentially enters the clear water zone through the water distribution zone, the sedimentation zone and the sedimentation component; in the rising process of sewage, under the action of a sedimentation component, sludge-water separation is carried out on the sewage, wherein the sedimented sludge continuously sinks after entering a sedimentation zone downwards under the action of the sedimentation component, slowly sediments into a sludge hopper at the bottom of the tank, and is finally discharged through a sludge discharge perforated pipe in a sludge discharge component; under the action of the sedimentation component, sewage is subjected to mud-water separation, clear water in the sewage continuously flows upwards and enters a clear water area, and is discharged through a triangular weir plate, a water outlet tank and a water outlet in sequence, so that the sedimentation treatment of the sewage is completed; in the sewage sedimentation treatment process, the moving device reciprocates along the axial direction of the guide rail and drives the mud scraping plate to synchronously move; in the process that the mud scraping plate moves along the axial direction of the guide rail, the mud scraping plate pushes the floating mud to the skimming pipes (the mud scraping plate is arranged along the vertical direction), and finally enters the skimming pipes on two sides and is discharged from the skimming pipes; under the action of the slag baffle, the slag can be effectively prevented from entering the water outlet groove through the triangular weir plate.

The working principle of the device for removing the floating mud is as follows: in normal sedimentation work, the liquid level of a clear water area of the sedimentation tank is slightly higher than the bottom end of the mud scraping plate; when the sludge in the sedimentation area floats to the water surface, the moving device starts to reciprocate and drives the telescopic rod below the moving device and the rubber mud scraping plate fixed on the telescopic rod to synchronously move; the mud scraping plate moves and drives the floating mud on the liquid level to move; when the mud scraping plate moves to the pool wall, the floating mud is sent into skimming pipes fixed on the pool walls at the two ends and discharged through the skimming pipes. The problem that the floating mud influences out water quality in the sedimentation tank can be fine is solved to this application.

The device of this application can be used for the float mud clearance of sedimentation tank, need not manual operation to do not influence and produce water, can set for the automatic clearance of accomplishing according to the procedure, reduced intensity of labour. Meanwhile, the method for treating the floating mud is simple and effective, and can effectively ensure the water quality of discharged water through the cooperation of the mud scraping plate, the skimming tube and the slag blocking plate.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The novel sedimentation tank is characterized by comprising a tank body, a water inlet, a sludge discharge assembly, a sedimentation assembly, a water outlet tank, a triangular weir plate matched with the water outlet tank, a water outlet, a slag baffle and a slag scraping assembly;

2. The sedimentation tank of claim 1, further comprising a telescopic rod, wherein the moving device is connected with the scraper through the telescopic rod, and the height of the scraper along the vertical direction can be adjusted through the telescopic rod so as to adjust the relative position of the scraper and the water surface of the clear water area.

3. The sedimentation tank of claim 1, wherein the slag trap is disposed parallel to the water outlet trough.

4. A sedimentation tank according to any one of claims 1 to 3, wherein the slag trap is rectangular, the distance between the upper end surface of the slag trap and the water surface of the clear water zone is 2 to 30cm, and the distance between the lower end surface of the slag trap and the water surface of the clear water zone is 2 to 30cm.

5. The sedimentation tank of any one of claims 1-4, wherein the axial direction of the skimming tube is inclined relative to the horizontal plane and the floating sludge in the skimming tube can be discharged through the skimming tube under the action of gravity.

6. The sedimentation tank of claim 1, wherein the scraper is made of rubber material.

7. The sedimentation tank of claim 1, wherein the sludge discharge assembly comprises a plurality of sludge hoppers and sludge discharge perforated pipes matched with the sludge hoppers, the sludge hoppers are sequentially arranged at the bottom of the tank body, and the sludge discharge perforated pipes are axially arranged along the sludge hoppers.

8. The sedimentation tank of claim 1, further comprising a sludge collection device, wherein the sludge discharge assembly and the skimming tube are respectively connected with the sludge collection device, and the sludge in the sludge discharge assembly and the floating sludge in the skimming tube can enter the sludge collection device for collection.

9. The sedimentation tank of any one of claims 1-8, wherein the sedimentation assembly is a sloped tube sedimentation assembly or a sloped plate sedimentation assembly.